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Quantum probability and conceptual combination in conjunctions

Published online by Cambridge University Press:  14 May 2013

James A. Hampton
Affiliation:
Department of Psychology, City University London, City University, Northampton Square, London EC1V OHB, United Kingdom. Hampton@city.ac.uk www.staff.city.ac.uk/hampton
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Abstract

I consider the general problem of category conjunctions in the light of Pothos & Busemeyer (P&B)'s quantum probability (QP) account of the conjunction fallacy. I argue that their account as presented cannot capture the “guppy effect” – the case in which a class is a better member of a conjunction A^B than it is of either A or B alone.

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Open Peer Commentary
Copyright
Copyright © Cambridge University Press 2013 

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References

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Hampton, J. A. (2012) Thinking intuitively: The rich (and at times illogical) world of concepts. Current directions in psychological science 21:398402.CrossRefGoogle Scholar
Osherson, D. & Smith, E. (1981) On the adequacy of prototype theory as a theory of concepts. Cognition 9:3558.CrossRefGoogle Scholar
Storms, G., De Boeck, P., van Mechelen, I. & Ruts, W. (2005) Not guppies, nor goldfish, but tumble dryers, Noriega, Jesse Jackson, panties, car crashes, bird books, and Stevie Wonder. Memory & Cognition 26:143–45.CrossRefGoogle Scholar
Tversky, A. & Kahneman, D. (1983) Extensional versus intuitive reasoning: The conjunction fallacy in probability judgment. Psychological Review 90(4): 293315.CrossRefGoogle Scholar

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